Voting in Guinea Bissau is being extended for a second day running after confusion on Sunday led to delays in the scheduled opening of the poll.
Voters staged protests at not being able to vote
Many polling stations remained closed on Monday still not having received ballot papers and other materials.
Some would be voters hurled bottles and burned tyres to vent their frustration at not being able to cast ballots.
The election is part of an agreement signed after the overthrow of President Kumba Yala last September.
More than 100 international observers are in the country to observe the elections.
Electoral commission chief Higino Cardoso said he was confident voting would take place in the capital Bissau on Tuesday.
Political parties have expressed concern over the credibility of the process, but have accepted the delays.
Media reports says 12 political parties and three coalitions are running for 102 seats, and the ballot is seen as a fundamental step towards the restoration of civilian rule.
The winning party will replace the interim government
nominated after the military coup - although caretaker President Henrique Rosa is due to remain in power until presidential elections in 2005.